/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to you under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cn.matrix42.potoo.net.ports;

import cn.matrix42.potoo.lang.Lists;

import java.util.Iterator;
import java.util.List;
import java.util.ServiceLoader;

import static cn.matrix42.potoo.lang.Preconditions.checkNotNull;

/**
 * @author Matrix42
 * @since 1.0.0
 */
public class PortProviderLoader {

    /**
     *
     * @param portProviderType port provider type
     * @return PortProvider
     * @since 1.0.0
     */
    public PortProvider load(String portProviderType) {
        checkNotNull(portProviderType);
        ServiceLoader<PortProvider> serviceLoader = ServiceLoader.load(PortProvider.class);
        Iterator<PortProvider> iterator =  serviceLoader.iterator();
        List<PortProvider> portProviderList = Lists.newArrayList(iterator);
        for (PortProvider portProvider : portProviderList) {
            if (portProviderType.equals(portProvider.providerType())) {
                return portProvider;
            }
        }
        return null;
    }

}
